src/Git/Git.cpp

   1 #include "StdAfx.h"\r
   2 #include "Git.h"\r
   3 #include "atlconv.h"\r
   4 #include "GitRev.h"\r
   5 \r
   6 #define MAX_DIRBUFFER 1000\r
   7 CGit g_Git;\r
   8 CGit::CGit(void)\r
   9 {\r
  10         GetCurrentDirectory(MAX_DIRBUFFER,m_CurrentDir.GetBuffer(MAX_DIRBUFFER));\r
  11 }\r
  12 \r
  13 CGit::~CGit(void)\r
  14 {\r
  15 }\r
  16 \r
  17 static char g_Buffer[4096];\r
  18 \r
  19 int CGit::RunAsync(CString cmd,PROCESS_INFORMATION *piOut,HANDLE *hReadOut,CString *StdioFile)\r
  20 {\r
  21         SECURITY_ATTRIBUTES sa;\r
  22         HANDLE hRead, hWrite;\r
  23         HANDLE hStdioFile;\r
  24 \r
  25         sa.nLength = sizeof(SECURITY_ATTRIBUTES);\r
  26         sa.lpSecurityDescriptor=NULL;\r
  27         sa.bInheritHandle=TRUE;\r
  28         if(!CreatePipe(&hRead,&hWrite,&sa,0))\r
  29         {\r
  30                 return GIT_ERROR_OPEN_PIP;\r
  31         }\r
  32         \r
  33         if(StdioFile)\r
  34         {\r
  35                 hStdioFile=CreateFile(*StdioFile,GENERIC_WRITE,FILE_SHARE_READ   |   FILE_SHARE_WRITE,   \r
  36                         &sa,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);  \r
  37         }\r
  38 \r
  39         STARTUPINFO si;\r
  40         PROCESS_INFORMATION pi;\r
  41         si.cb=sizeof(STARTUPINFO);\r
  42         GetStartupInfo(&si);\r
  43 \r
  44         si.hStdError=hWrite;\r
  45         if(StdioFile)\r
  46                 si.hStdOutput=hStdioFile;\r
  47         else\r
  48                 si.hStdOutput=hWrite;\r
  49 \r
  50         si.wShowWindow=SW_HIDE;\r
  51         si.dwFlags=STARTF_USESTDHANDLES|STARTF_USESHOWWINDOW;\r
  52 \r
  53         if(!CreateProcess(NULL,(LPWSTR)cmd.GetString(), NULL,NULL,TRUE,NULL,NULL,(LPWSTR)m_CurrentDir.GetString(),&si,&pi))\r
  54         {\r
  55                 LPVOID lpMsgBuf;\r
  56                 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,\r
  57                         NULL,GetLastError(),MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),\r
  58                         (LPTSTR)&lpMsgBuf,\r
  59                         0,NULL);\r
  60                 return GIT_ERROR_CREATE_PROCESS;\r
  61         }\r
  62         \r
  63         CloseHandle(hWrite);\r
  64         if(piOut)\r
  65                 *piOut=pi;\r
  66         if(hReadOut)\r
  67                 *hReadOut=hRead;\r
  68         \r
  69         return 0;\r
  70 \r
  71 }\r
  72 //Must use sperate function to convert ANSI str to union code string\r
  73 //Becuase A2W use stack as internal convert buffer. \r
  74 void CGit::StringAppend(CString *str,char *p)\r
  75 {\r
  76        USES_CONVERSION;\r
  77        str->Append(A2W(p));\r
  78 \r
  79 }       \r
  80 \r
  81 int CGit::Run(CString cmd, CString* output)\r
  82 {\r
  83         PROCESS_INFORMATION pi;\r
  84         HANDLE hRead;\r
  85         if(RunAsync(cmd,&pi,&hRead))\r
  86                 return GIT_ERROR_CREATE_PROCESS;\r
  87 \r
  88         DWORD readnumber;\r
  89         while(ReadFile(hRead,g_Buffer,1023,&readnumber,NULL))\r
  90         {\r
  91                 g_Buffer[readnumber]=0;\r
  92                 StringAppend(output,g_Buffer);\r
  93         }\r
  94 \r
  95         \r
  96         CloseHandle(pi.hThread);\r
  97 \r
  98         WaitForSingleObject(pi.hProcess, INFINITE);\r
  99         DWORD exitcode =0;\r
 100 \r
 101         if(!GetExitCodeProcess(pi.hProcess,&exitcode))\r
 102         {\r
 103                 return GIT_ERROR_GET_EXIT_CODE;\r
 104         }\r
 105 \r
 106         CloseHandle(pi.hProcess);\r
 107 \r
 108         CloseHandle(hRead);\r
 109         return exitcode;\r
 110 }\r
 111 \r
 112 CString CGit::GetUserName(void)\r
 113 {\r
 114         CString UserName;\r
 115         Run(_T("git.exe config user.name"),&UserName);\r
 116         return UserName;\r
 117 }\r
 118 CString CGit::GetUserEmail(void)\r
 119 {\r
 120         CString UserName;\r
 121         Run(_T("git.exe config user.email"),&UserName);\r
 122         return UserName;\r
 123 }\r
 124 \r
 125 CString CGit::GetCurrentBranch(void)\r
 126 {\r
 127         CString branch;\r
 128         Run(_T("git.exe branch"),&branch);\r
 129         if(branch.GetLength()>0)\r
 130         {\r
 131                 branch.Replace(_T('*'),_T(' '));\r
 132                 branch.TrimLeft();\r
 133                 return branch;\r
 134         }\r
 135         return CString("");\r
 136 }\r
 137 \r
 138 int CGit::BuildOutputFormat(CString &format,bool IsFull)\r
 139 {\r
 140         CString log;\r
 141         log.Format(_T("#<%c>%%n"),LOG_REV_ITEM_BEGIN);\r
 142         format += log;\r
 143         if(IsFull)\r
 144         {\r
 145                 log.Format(_T("#<%c>%%an%%n"),LOG_REV_AUTHOR_NAME);\r
 146                 format += log;\r
 147                 log.Format(_T("#<%c>%%ae%%n"),LOG_REV_AUTHOR_EMAIL);\r
 148                 format += log;\r
 149                 log.Format(_T("#<%c>%%ai%%n"),LOG_REV_AUTHOR_DATE);\r
 150                 format += log;\r
 151                 log.Format(_T("#<%c>%%cn%%n"),LOG_REV_COMMIT_NAME);\r
 152                 format += log;\r
 153                 log.Format(_T("#<%c>%%ce%%n"),LOG_REV_COMMIT_EMAIL);\r
 154                 format += log;\r
 155                 log.Format(_T("#<%c>%%ci%%n"),LOG_REV_COMMIT_DATE);\r
 156                 format += log;\r
 157                 log.Format(_T("#<%c>%%s%%n"),LOG_REV_COMMIT_SUBJECT);\r
 158                 format += log;\r
 159                 log.Format(_T("#<%c>%%b%%n"),LOG_REV_COMMIT_BODY);\r
 160                 format += log;\r
 161         }\r
 162         log.Format(_T("#<%c>%%H%%n"),LOG_REV_COMMIT_HASH);\r
 163         format += log;\r
 164         log.Format(_T("#<%c>%%P%%n"),LOG_REV_COMMIT_PARENT);\r
 165         format += log;\r
 166 \r
 167         if(IsFull)\r
 168         {\r
 169                 log.Format(_T("#<%c>%%n"),LOG_REV_COMMIT_FILE);\r
 170                 format += log;\r
 171         }\r
 172         return 0;\r
 173 }\r
 174 \r
 175 int CGit::GetLog(CString& logOut, CString &hash, int count)\r
 176 {\r
 177 \r
 178         CString cmd;\r
 179         CString log;\r
 180         CString num;\r
 181         CString since;\r
 182         if(count>0)\r
 183                 num.Format(_T("-n%d"),count);\r
 184 \r
 185         cmd.Format(_T("git.exe log %s -C --numstat --raw --pretty=format:\""),\r
 186                                 num);\r
 187         BuildOutputFormat(log);\r
 188         cmd += log;\r
 189         cmd += CString(_T("\"  "))+hash;\r
 190         return Run(cmd,&logOut);\r
 191 }\r
 192 \r
 193 \r
 194 int CGit::GetShortLog(CString &logOut,CTGitPath * path, int count)\r
 195 {\r
 196         CString cmd;\r
 197         CString log;\r
 198         int n;\r
 199         if(count<0)\r
 200                 n=100;\r
 201         else\r
 202                 n=count;\r
 203         cmd.Format(_T("git.exe log --topo-order -n%d --pretty=format:\""),n);\r
 204         BuildOutputFormat(log,false);\r
 205         cmd += log+_T("\"");\r
 206         if (path)\r
 207                 cmd+= _T("  -- \"")+path->GetGitPathString()+_T("\"");\r
 208         //cmd += CString(_T("\" HEAD~40..HEAD"));\r
 209         return Run(cmd,&logOut);\r
 210 }\r
 211 \r
 212 #define BUFSIZE 512\r
 213 void GetTempPath(CString &path)\r
 214 {\r
 215         TCHAR lpPathBuffer[BUFSIZE];\r
 216         DWORD dwRetVal;\r
 217         DWORD dwBufSize=BUFSIZE;\r
 218         dwRetVal = GetTempPath(dwBufSize,     // length of the buffer\r
 219                            lpPathBuffer); // buffer for path \r
 220     if (dwRetVal > dwBufSize || (dwRetVal == 0))\r
 221     {\r
 222         path=_T("");\r
 223     }\r
 224         path.Format(_T("%s"),lpPathBuffer);\r
 225 }\r
 226 CString GetTempFile()\r
 227 {\r
 228         TCHAR lpPathBuffer[BUFSIZE];\r
 229         DWORD dwRetVal;\r
 230     DWORD dwBufSize=BUFSIZE;\r
 231         TCHAR szTempName[BUFSIZE];  \r
 232         UINT uRetVal;\r
 233 \r
 234         dwRetVal = GetTempPath(dwBufSize,     // length of the buffer\r
 235                            lpPathBuffer); // buffer for path \r
 236     if (dwRetVal > dwBufSize || (dwRetVal == 0))\r
 237     {\r
 238         return _T("");\r
 239     }\r
 240          // Create a temporary file. \r
 241     uRetVal = GetTempFileName(lpPathBuffer, // directory for tmp files\r
 242                               TEXT("Patch"),  // temp file name prefix \r
 243                               0,            // create unique name \r
 244                               szTempName);  // buffer for name \r
 245 \r
 246 \r
 247     if (uRetVal == 0)\r
 248     {\r
 249         return _T("");\r
 250     }\r
 251 \r
 252         return CString(szTempName);\r
 253 \r
 254 }\r
 255 \r
 256 int CGit::RunLogFile(CString cmd,CString &filename)\r
 257 {\r
 258         HANDLE hRead, hWrite;\r
 259 \r
 260         STARTUPINFO si;\r
 261         PROCESS_INFORMATION pi;\r
 262         si.cb=sizeof(STARTUPINFO);\r
 263         GetStartupInfo(&si);\r
 264 \r
 265         SECURITY_ATTRIBUTES   psa={sizeof(psa),NULL,TRUE};;   \r
 266         psa.bInheritHandle=TRUE;   \r
 267     \r
 268         HANDLE   houtfile=CreateFile(filename,GENERIC_WRITE,FILE_SHARE_READ   |   FILE_SHARE_WRITE,   \r
 269                         &psa,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);   \r
 270 \r
 271 \r
 272         si.wShowWindow=SW_HIDE;\r
 273         si.dwFlags=STARTF_USESTDHANDLES|STARTF_USESHOWWINDOW;\r
 274         si.hStdOutput   =   houtfile; \r
 275         \r
 276         if(!CreateProcess(NULL,(LPWSTR)cmd.GetString(), NULL,NULL,TRUE,NULL,NULL,(LPWSTR)m_CurrentDir.GetString(),&si,&pi))\r
 277         {\r
 278                 LPVOID lpMsgBuf;\r
 279                 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,\r
 280                         NULL,GetLastError(),MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),\r
 281                         (LPTSTR)&lpMsgBuf,\r
 282                         0,NULL);\r
 283                 return GIT_ERROR_CREATE_PROCESS;\r
 284         }\r
 285         \r
 286         WaitForSingleObject(pi.hProcess,INFINITE);   \r
 287         \r
 288         CloseHandle(pi.hThread);\r
 289         CloseHandle(pi.hProcess);\r
 290         CloseHandle(houtfile);\r
 291         return GIT_SUCCESS;\r
 292         return 0;\r
 293 }\r
 294 \r
 295 git_revnum_t CGit::GetHash(CString &friendname)\r
 296 {\r
 297         CString cmd;\r
 298         CString out;\r
 299         cmd.Format(_T("git.exe rev-parse %s" ),friendname);\r
 300         Run(cmd,&out);\r
 301         int pos=out.ReverseFind(_T('\n'));\r
 302         if(pos>0)\r
 303                 return out.Left(pos);\r
 304         return out;\r
 305 }\r
 306 \r
 307 int CGit::GetTagList(STRING_VECTOR &list)\r
 308 {\r
 309         int ret;\r
 310         CString cmd,output;\r
 311         cmd=_T("git.exe tag -l");\r
 312         int i=0;\r
 313         ret=g_Git.Run(cmd,&output);\r
 314         if(!ret)\r
 315         {               \r
 316                 int pos=0;\r
 317                 CString one;\r
 318                 while( pos>=0 )\r
 319                 {\r
 320                         i++;\r
 321                         one=output.Tokenize(_T("\n"),pos);\r
 322                         list.push_back(one);\r
 323                 }\r
 324         }\r
 325         return ret;\r
 326 }\r
 327 \r
 328 int CGit::GetBranchList(STRING_VECTOR &list,int *current,BRANCH_TYPE type)\r
 329 {\r
 330         int ret;\r
 331         CString cmd,output;\r
 332         cmd=_T("git.exe branch");\r
 333 \r
 334         if(type==(BRANCH_LOCAL|BRANCH_REMOTE))\r
 335                 cmd+=_T(" -a");\r
 336         else if(type==BRANCH_REMOTE)\r
 337                 cmd+=_T(" -r");\r
 338 \r
 339         int i=0;\r
 340         ret=g_Git.Run(cmd,&output);\r
 341         if(!ret)\r
 342         {               \r
 343                 int pos=0;\r
 344                 CString one;\r
 345                 while( pos>=0 )\r
 346                 {\r
 347                         i++;\r
 348                         one=output.Tokenize(_T("\n"),pos);\r
 349                         list.push_back(one.Right(one.GetLength()-2));\r
 350                         if(one[0] == _T('*'))\r
 351                                 if(current)\r
 352                                         *current=i;\r
 353                 }\r
 354         }\r
 355         return ret;\r
 356 }\r
 357 \r
 358 int CGit::GetRemoteList(STRING_VECTOR &list)\r
 359 {\r
 360         int ret;\r
 361         CString cmd,output;\r
 362         cmd=_T("git.exe config  --get-regexp remote.*.url");\r
 363         ret=g_Git.Run(cmd,&output);\r
 364         if(!ret)\r
 365         {\r
 366                 int pos=0;\r
 367                 CString one;\r
 368                 while( pos>=0 )\r
 369                 {\r
 370                         one=output.Tokenize(_T("\n"),pos);\r
 371                         int start=one.Find(_T("."),0);\r
 372                         if(start>0)\r
 373                         {\r
 374                                 CString url;\r
 375                                 url=one.Right(one.GetLength()-start-1);\r
 376                                 one=url;\r
 377                                 one=one.Left(one.Find(_T("."),0));\r
 378                                 list.push_back(one);\r
 379                         }\r
 380                 }\r
 381         }\r
 382         return ret;\r
 383 }\r
 384 \r
 385 int CGit::GetMapHashToFriendName(MAP_HASH_NAME &map)\r
 386 {\r
 387         int ret;\r
 388         CString cmd,output;\r
 389         cmd=_T("git show-ref");\r
 390         ret=g_Git.Run(cmd,&output);\r
 391         if(!ret)\r
 392         {\r
 393                 int pos=0;\r
 394                 CString one;\r
 395                 while( pos>=0 )\r
 396                 {\r
 397                         one=output.Tokenize(_T("\n"),pos);\r
 398                         int start=one.Find(_T(" "),0);\r
 399                         if(start>0)\r
 400                         {\r
 401                                 CString name;\r
 402                                 name=one.Right(one.GetLength()-start-1);\r
 403 \r
 404                                 CString hash;\r
 405                                 hash=one.Left(start);\r
 406 \r
 407                                 map[hash].push_back(name);\r
 408                         }\r
 409                 }\r
 410         }\r
 411         return ret;\r
 412 }